General description Heavy Duty Shelf Brackets are made of high-quality solid steel with a thickness of 0.2 inches (5 mm), ensuring strength and preventing sagging. Each pair can hold up to 150 pounds when mounted on studs or brick walls. These brackets are perfect for bookshelves, kitchen utensils, large fireplaces, plants, and decorative items. The invisible bracket design allows wooden boards thicker than 1.6 inches to completely conceal the back panel, creating a stunning floating illusion while providing convenient storage space with a modern and elegant look. Technical specifications Material: Solid steel Thickness: 0.2 inches (5 mm) Weight capacity: Up to 150 pounds Wooden board thickness compatibility: More than 1.6 inches Installation Includes: 2 heavy-duty brackets, 4 short screws, 8 long screws No special skills required for installation All necessary hardware is provided Usage Ideal for creating floating shelves in various rooms such as bedrooms, laundry rooms, bathrooms,